Is there a separate Angstrom MACHINE for the Beaglebone Black

I am trying to get prepared for the delivery of my Beaglebone Black. My question is what do I set my “MACHINE” variable to for building Angstrom in the following:



beaglebone should do it

Thanks. It was not immediately obvious as ./ update did not bring in the new meta-beaglebone repository from my rather old (meta-ti kernel based) build set. A clean install fixed that.